mirror of
https://github.com/osmarks/mycorrhiza.git
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80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
package web
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// stuff.go is used for meta stuff about the wiki or all hyphae at once.
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import (
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"github.com/bouncepaw/mycorrhiza/viewutil"
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"io"
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"net/http"
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"strings"
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"github.com/gorilla/mux"
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"github.com/bouncepaw/mycorrhiza/help"
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"github.com/bouncepaw/mycorrhiza/l18n"
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"github.com/bouncepaw/mycorrhiza/views"
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"github.com/bouncepaw/mycomarkup/v3"
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"github.com/bouncepaw/mycomarkup/v3/mycocontext"
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)
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func initStuff(r *mux.Router) {
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r.PathPrefix("/help").HandlerFunc(handlerHelp)
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}
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// handlerHelp gets the appropriate documentation or tells you where you (personally) have failed.
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func handlerHelp(w http.ResponseWriter, rq *http.Request) {
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lc := l18n.FromRequest(rq)
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articlePath := strings.TrimPrefix(strings.TrimPrefix(rq.URL.Path, "/help/"), "/help")
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// See the history of this file to resurrect the old algorithm that supported multiple languages
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lang := "en"
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if articlePath == "" {
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articlePath = "en"
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}
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if !strings.HasPrefix(articlePath, "en") {
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w.WriteHeader(http.StatusNotFound)
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_, _ = io.WriteString(w, "404 Not found")
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return
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}
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content, err := help.Get(articlePath)
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if err != nil && strings.HasPrefix(err.Error(), "open") {
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w.WriteHeader(http.StatusNotFound)
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_, _ = io.WriteString(
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w,
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views.Base(
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viewutil.MetaFrom(w, rq),
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lc.Get("help.entry_not_found"),
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views.Help(views.HelpEmptyError(lc), lang, lc),
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),
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)
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return
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}
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = io.WriteString(
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w,
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views.Base(
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viewutil.MetaFrom(w, rq),
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err.Error(),
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views.Help(err.Error(), lang, lc),
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),
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)
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return
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}
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// TODO: change for the function that uses byte array when there is such function in mycomarkup.
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ctx, _ := mycocontext.ContextFromStringInput(articlePath, string(content))
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ast := mycomarkup.BlockTree(ctx)
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result := mycomarkup.BlocksToHTML(ctx, ast)
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w.WriteHeader(http.StatusOK)
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_, _ = io.WriteString(
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w,
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views.Base(
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viewutil.MetaFrom(w, rq),
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lc.Get("help.title"),
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views.Help(result, lang, lc),
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),
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)
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}
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